Finding the Fourth Proportional to 303,830,753.40, 455,746,135.86 and 73,798,288.12
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Solution
The fourth proportional to 303,830,753.40, 455,746,135.86 and 73,798,288.12 is: 110,697,433.58
Step by Step Solution
- Step 1: Write the proportion equation
303,830,753.40 : 455,746,135.86 = 73,798,288.12 : x - Step 2: Convert to fraction form
303,830,753.40/455,746,135.86 = 73,798,288.12/x - Step 3: Cross multiply
303,830,753.40x = 455,746,135.86 × 73,798,288.12 - Step 4: Simplify right side
303,830,753.40x = 33,633,284,643,772,948 - Step 5: Solve for x
x = 33,633,284,643,772,948/303,830,753.40 - Step 6: Final answer
x = 110,697,433.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.